Permalink
Fetching contributors…
Cannot retrieve contributors at this time
133 lines (121 sloc) 3.66 KB
package daemon
import (
"errors"
"fmt"
"runtime"
"strconv"
"time"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/api/types"
"github.com/docker/docker/libcontainerd"
"github.com/docker/docker/restartmanager"
)
// StateChanged updates daemon state changes from containerd
func (daemon *Daemon) StateChanged(id string, e libcontainerd.StateInfo) error {
c := daemon.containers.Get(id)
if c == nil {
return fmt.Errorf("no such container: %s", id)
}
switch e.State {
case libcontainerd.StateOOM:
// StateOOM is Linux specific and should never be hit on Windows
if runtime.GOOS == "windows" {
return errors.New("Received StateOOM from libcontainerd on Windows. This should never happen.")
}
daemon.updateHealthMonitor(c)
daemon.LogContainerEvent(c, "oom")
case libcontainerd.StateExit:
// if container's AutoRemove flag is set, remove it after clean up
autoRemove := func() {
if c.HostConfig.AutoRemove {
if err := daemon.ContainerRm(c.ID, &types.ContainerRmConfig{ForceRemove: true, RemoveVolume: true}); err != nil {
logrus.Errorf("can't remove container %s: %v", c.ID, err)
}
}
}
c.Lock()
c.StreamConfig.Wait()
c.Reset(false)
restart, wait, err := c.RestartManager().ShouldRestart(e.ExitCode, false, time.Since(c.StartedAt))
if err == nil && restart {
c.RestartCount++
c.SetRestarting(platformConstructExitStatus(e))
} else {
c.SetStopped(platformConstructExitStatus(e))
defer autoRemove()
}
daemon.updateHealthMonitor(c)
attributes := map[string]string{
"exitCode": strconv.Itoa(int(e.ExitCode)),
}
daemon.LogContainerEventWithAttributes(c, "die", attributes)
daemon.Cleanup(c)
if err == nil && restart {
go func() {
err := <-wait
if err == nil {
if err = daemon.containerStart(c, "", "", false); err != nil {
logrus.Debugf("failed to restart container: %+v", err)
}
}
if err != nil {
c.SetStopped(platformConstructExitStatus(e))
defer autoRemove()
if err != restartmanager.ErrRestartCanceled {
logrus.Errorf("restartmanger wait error: %+v", err)
}
}
}()
}
defer c.Unlock()
if err := c.ToDisk(); err != nil {
return err
}
return daemon.postRunProcessing(c, e)
case libcontainerd.StateExitProcess:
if execConfig := c.ExecCommands.Get(e.ProcessID); execConfig != nil {
ec := int(e.ExitCode)
execConfig.Lock()
defer execConfig.Unlock()
execConfig.ExitCode = &ec
execConfig.Running = false
execConfig.StreamConfig.Wait()
if err := execConfig.CloseStreams(); err != nil {
logrus.Errorf("%s: %s", c.ID, err)
}
// remove the exec command from the container's store only and not the
// daemon's store so that the exec command can be inspected.
c.ExecCommands.Delete(execConfig.ID)
} else {
logrus.Warnf("Ignoring StateExitProcess for %v but no exec command found", e)
}
case libcontainerd.StateStart, libcontainerd.StateRestore:
// Container is already locked in this case
c.SetRunning(int(e.Pid), e.State == libcontainerd.StateStart)
c.HasBeenManuallyStopped = false
c.HasBeenStartedBefore = true
if err := c.ToDisk(); err != nil {
c.Reset(false)
return err
}
daemon.initHealthMonitor(c)
daemon.LogContainerEvent(c, "start")
case libcontainerd.StatePause:
// Container is already locked in this case
c.Paused = true
if err := c.ToDisk(); err != nil {
return err
}
daemon.updateHealthMonitor(c)
daemon.LogContainerEvent(c, "pause")
case libcontainerd.StateResume:
// Container is already locked in this case
c.Paused = false
if err := c.ToDisk(); err != nil {
return err
}
daemon.updateHealthMonitor(c)
daemon.LogContainerEvent(c, "unpause")
}
return nil
}